57=7n+5n-3

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Solution for 57=7n+5n-3 equation: 


n in (-oo:+oo)

57 = 7*n+5*n-3 // - 7*n+5*n-3

3-(7*n)-(5*n)+57 = 0

3-7*n-5*n+57 = 0

60-12*n = 0 // - 60

-12*n = -60 // : -12

n = -60/(-12)

n = 5

n = 5

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